What is lichen Latin name?

Lichen does not have a single Latin name because it is a symbiotic organism composed of fungi and algae or cyanobacteria. However, lichens are often classified within specific genera and species of fungi. For example, the lichen known as "reindeer moss" is scientifically named Cladonia rangiferina, while Usnea is a genus that includes many types of beard lichens.